162912272 has 30 divisors (see below), whose sum is σ = 318936618. Its totient is φ = 80614656.

The previous prime is 162912271. The next prime is 162912283. The reversal of 162912272 is 272219261.

It can be written as a sum of positive squares in 3 ways, for example, as 92083216 + 70829056 = 9596^2 + 8416^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (162912271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189668 + ... + 190524.

Almost surely, 2^162912272 is an apocalyptic number.

It is an amenable number.

162912272 is a deficient number, since it is larger than the sum of its proper divisors (156024346).

162912272 is an equidigital number, since it uses as much as digits as its factorization.

162912272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 968 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 162912272 is about 12763.7091787615. The cubic root of 162912272 is about 546.1575397306.

The spelling of 162912272 in words is "one hundred sixty-two million, nine hundred twelve thousand, two hundred seventy-two".